Features
1. Bluetooth 4.2 version, compatible with all mobile phones and Bluetooth adapters on the market. The transmission distance is about 15m/49.2ft in an open area, and it supports automatic connection to the paired devices and automatic playback of music.
2. Support USB sound card, free drive, plug and play (under normal lithium battery power supply). The maximum working current is 5V2A, powered by a regulated power supply of 5V2A or above, the sound quality will be better.
3. Two speakers of 28 and 310W can be connected respectively, and 45W and 410W speakers are recommended for stereo output.
4. Builtin USB charging port, it can be powered by a USB port or a 5V adapter, which is convenient for using.
5. When installing the Bluetooth board, try not to place the Bluetooth antenna close to metal parts, so as not to affect the transmission distance. 6The built-in dual 5W power amplifier circuit must not be used with another power amplifier! The outputs of the two power amplifiers cannot be connected in parallel or the negative poles connected together, otherwise the power amplifier chip will be damaged.
Specification
Item Type: Stereo Amplifier Module
Material: PCB
Working Voltage: 3.7-5VDC
Maximum Working Current: 5V 2A
Length: Approx. 40mm/1.6in
Width: Approx. 20mm/0.8in
Height: Approx. 12mm/0.5in
Power: 5Wx2
Bluetooth Version: 4.2
Bluetooth Module Operation: Turn on the mobile phone's Bluetooth, scan the device, find "DW-CT14+" and click connect.
Instruction:
- 7V lithium batteries(not included) are recommended (lithium batteries need to have a protective plate!).With USB charging port for lithium battery charging, USB port can also be used as power supply port or 5V adapter power supply, can not use dry battery, charger, multi-function transformer and other unstable voltage, current power supply.
Package List
1 x Stereo Amplifier Module
3 x Connection Cables
